Gregory spit up on my shirt.

Gregory在我衬衫上吐口水。

They baby always spit up when he is burped.

婴儿打嗝时总会吐出一点东西来。

The old man tried to spit up sputum, but he could not.

这老人想把痰咯出来但他不能。

He spit up everything we fed him and he refused to sleep.

他不睡觉，并且吐掉你喂他的所有东西。

Finally, she coughed, opened her eyes, and began to gag and spit up.

终于，她开始咳嗽，睁开眼睛，并伴有呕吐。