doing 中in能省略吗|fail in

不能

fail in（doing）sth.在……方面失败，fail to do sth 没能做某事

例如：

I fail to see why you find it so amusing.我弄不懂你们为什么对这件事感到如此好笑.

He never fails to phone his mother on her birthday.每逢母亲过生日时，他都会打电话给她.

The chairman failed in trying to persuade the committee to share his opinion.主席未能说服委员会同意他的观点.

He has been failing in health for the last two years.近两年来，他的健康状况一直在衰退.

介词in ➕doing 的固定搭配:

1、 be careful (in) doing sth做某事很小心

2、 be busy (in) doing sth 忙于做某事

be fortunate (in) doing sth 很幸运做某事

be late (in) doing sth 做某事做晚了或做迟了

have luck (in) doing sth 做某事时很走运

have/find difficulty (in) doing sth 做某事有困难

have trouble (in) doing sth 做某事有困难

have bother (in) doing sth做某事费劲

have a problem (in) doing sth 做某事有困难

have a good/hard time (in) doing sth 做某事很开心/辛苦

lose no time (in) doing sth马上做某事

spend money/time (in) doing sth 花费金钱/时间做某事

waste money/time (in) doing sth浪费金钱/时间做某事

there is no difficulty (in) doing sth