misgiving
n[U, C esp pl 作不可数名词或可数名词, 後者尤作复数]
(fml 文) (feeling of) doubt, worry, suspicion or distrust 疑虑; 担忧; 顾虑
a heart/mind full of misgiving(s) 心中疑虑丛生
I have serious misgivings about taking the job. 我对是否接受那份工作顾虑重重.
I'm not sure. I ought to do some studying, as I've got masses of work to do, but I think I'll be too tired. Maybe I'll just watch the news on television and go to bed early.