我的手和膝盖开始不听使唤，我正在船上寻找平衡。

I dropped to my hands and knees on my board now looking for more stability.

youdao

我开始练了起来，大约三分钟，我的手开始不听使唤，胳膊又疼，真是雪上加霜，我头都要气昏了。

I began to practice it, about three minutes, I am all hands began, arm ache again, it's worse, head I was going to faint.

youdao

今天，我给我年轻，有吸引力的老师发邮，当时手不听使唤地写着“我们在课后约会好吗?我想与你讨论我丁子裤有关问题。

Today, while emailing my very young, attractive teacher to ask a question, my hand slipped. Too bad you can't unsend emails that say "Can we meet after school some time?"

youdao