Say excuse me immediately if you burp, fart, cough, yawn or sneeze.

如果你说对不起立即打嗝，放屁，咳嗽或打喷嚏，打哈欠。

youdao

However we know that people also yawn, when they are excited or nervous.

然而我们知道人们也会在兴奋或者紧张的时候打哈欠。

youdao

However we know that people also yawn, when they are excited or nervous.

然而我们知道人们也会在兴奋或者紧张的时候打哈欠。

youdao