sinking feeling
沉没的感觉；
感觉要出事；
下沉的感觉；
有不祥的预感
I began to have a sinking feeling that I was not going to get rid of her.\x09
我开始有一种永远也摆脱不了她的沮丧情绪.
很高兴第一时间为您解答,