The clerk at the counter gave me too little change.

　　柜臺的售貨員少給我找了零錢(qián)。

　　They're working me too hard. I'm too old for this

　　他們把我用得太狠了，我老了，干不了這種活兒啦。

　　Let's keep to the subject, or you'll get me too confused.

　　別跑題，否則你會(huì )把我搞糊涂的。