agonize over/aboutsth
—phrasal verbwithagonizeverb(UKusuallyagonise)uk/ˈæɡ.ə.naɪz/us/ˈæɡ.ə.naɪz/
If you agonize over/about something, youspendtimeworryingandtryingto make adecisionabout it.
为…伤脑筋；对…犹疑不定；因…痛苦彷徨
Sheagonizedfordaysabout whether she should take thejob.几天来她为是否该接受这份工作大伤脑筋。