Q: including more than 30 on the spike protein, which many vaccines train the immune system to target. とはどういう意味ですか?
A: There are 30 or more (something) on the spike protein (a part of a virus)

Vaccines help the immune system to target and destroy the 30 or more things.

The 30 or more things were likely mentioned in the last sentence.
Q: spike the cough syrup とはどういう意味ですか?
A: If something (like a drink) is spiked, it means someone has put alcohol in it

For example, some parties serve “spiked punch,” which is punch + some sort of alcoholic drink mixed together

In this case, it sounds like someone put alcohol (or some other substance) in cough syrup
Q: Alarming spike とはどういう意味ですか?
A: Alarming means a stage where you need to be aware or a dangerous stage and spike means a high increase
So Alarming spike means a "high increase at a dangerous state"
Q: the sudden spike in his rent とはどういう意味ですか?
A: It mean the rent price increased/ went up.

spike means increase.
Q: anti-homeless spikes とはどういう意味ですか?
A: What you see in the picture is anti-homeless spikes. Usually, shop owners or people with houses in city centres get them installed in front of their front door so that homeless people won't be able to sleep there.


Q: spike を使った例文を教えて下さい。
A: -if you step on that spike on the ground it will hurt!
-the leaves on the bush are spikey
- if you prick your finger on a spike it will hurt
(different meaning used below)
-there was a spike in the production of phones, so more people could buy them
-there is a huge spike in her sugar intake, so I advised her to stop eating candy
Q: spike を使った例文を教えて下さい。
A: The pointy spike hurt when I stepped on it. (Spike as a noun)

My blood pressure spiked when I got very worried. (Spike as a verb)
Q: spike を使った例文を教えて下さい。
A: Interest rate spiked up last week.
Q: spike it with を使った例文を教えて下さい。
A: You should spike it (for example, juice) with alcohol.


Q: spike と spine はどう違いますか?
A: these words can be used interchangeably for example when talking about the spikes/spines on a hedgehog.

a spike is a sharp object protruding from something, while a spine can also mean the central bones in your back or the foundation / central support of something (for example the spine of a book is the point where all the pages are attached)
Q: spike と surge はどう違いますか?
A: okay thank youu


Q: what does 'spike' mean in this sentense
the latest spike in Europe's second most affected country after Italy は 英語 (アメリカ) で何と言いますか?
A: An abrupt increase (probably in number or amount.)
Q: i am spike English so much help は 英語 (アメリカ) で何と言いますか?
A: I speak alot of english
Q: spike は 英語 (アメリカ) で何と言いますか?
A: Pronounced like pike, Mike, and bike.
Q: how does this spikes on the tongue called? は 英語 (アメリカ) で何と言いますか?
A: QAの全文をご確認ください


Q: The spikes on sea cucumbers make them look creepy.
The lumps on sea cucumbers make them look creepy.

Are both correct?
A: I think "spikes" or "bumps" would be best if it looks like this
Q: The spikes of the trap was put poison on. この表現は自然ですか?
A: "The spikes (of the trap) were poisoned."
Q: What does "spike up my hair" mean?
A: QAの全文をご確認ください
Q: What does "spike" in the following paragraph mean?

What the CIA didn’t want Americans to know

Agency brass tried to spike a story implicating the CIA in the killing of a top Hezbollah terrorist. Newsweek complied. The Post didn’t.

Read more: http://www.politico.com/story/2015/02/hezbollah-imad-mughniyeh-assassination-newsweek-cia-114984.html#ixzz3R4achHNt
A: Yeah, I think it's referring to driving a spike through it and killing it. I've never heard that particular use of the word.