大概 たいがいにする
taigaini suru

Suru Verb
Expression

1. to stay within bounds; to not take (something) to extremes; to not get carried away; to not go too far

冗談 じょうだん大概 たいがいにしろ!
jōdammo taigaini shiro!
You mustn't carry your jokes too far!