•Well up (phrasal verb) -
Of a liquid or emotion, to fill up (a container or vessel) to the point of overflowing.（涌出，充满）
1.Her eyes welled up as she watched him walk away.
2.My body welled up with rage at the thought of such a cruel act.
•A thorn in the/sb's flesh/side (idiom) -
Someone or something that continually annoys or causes trouble for someone else（肉中刺，眼中钉）
1.A relentless campaigner, he was a thorn in the government's side for a number of years.
2.He's been a thorn in the flesh of the party leadership for years.
•Throw a (monkey) wrench into sth (idiom) -
If someone throws a (monkey) wrench into a process, they prevent something happening smoothly by deliberately causing a problem.（捣乱，破坏）
1.They threw a giant wrench into the process by raising all sorts of petty objections.
2.He threw a monkey wrench into our plans.
•Come one's way (idiom) -
If something comes your way, it happens to you, or it becomes available.（出现在…面前，发生在…身上）
1.I sure hope another opportunity like that will come her way.
2.Several chances came our way but we missed them.
•Cat's paw (idiom) -
Someone who is used by someone else to achieve something bad.（被人利用者，傀儡）
1.This organisation became the cat's paw for foreign powers.
2.He was merely a cat's paw of older and cleverer men.