be in the friend zone

?INFORMAL to be regarded as a friend by someone for whom you have romantic feelings

quicksand

Quicksand is deep, wet sand that you sink into if you try to walk on it. 流沙

chubby?

slightly fat in a way that people usually find attractive胖乎乎的；圓胖的

long-term

[usually before noun]

lasting or having an effect over a long period of time長期的；長遠(yuǎn)的；長期有效的

be tied up

if your money is tied up in something, it is all being used for that thing and is not available for anything else 被套住，不能動用