Snap up:

If you snap something up, you buy it quickly because it is cheap or is just what you want.

搶購(gòu)，趕緊買下（便宜或心儀之物）

例句：

Every time we get a new delivery of clothes, people are queuing to snap them up.

每次新到一批服裝時(shí)，人們都在排起長(zhǎng)隊(duì)來(lái)?yè)屬?gòu)。

Snap to it:

趕快

例句：  

You'll have to snap to it if you want to finish on time. 

要是想準(zhǔn)時(shí)完成，你得抓緊時(shí)間！

Snap at somebody:

To speak or say something in an impatient, usually angry, voice

厲聲說(shuō)；怒氣沖沖地說(shuō)；不耐煩地說(shuō)

例句： 

'Don't just stand there,' she snapped. 

“別光站在那兒。”她生氣地說(shuō)。

Song for you（片尾曲）

Finneas - How It Ends