まめに使用する
something that is meant to be used
使用中に
こてを使用する
3箇所
Three places.
to use something according to the rules
how to use anything―directions for use
to use something without permission
the state of something that has been used once
使ってみる
使用中です
to bribe one―corrupt one―palm one―grease one's palm―oil one's hand―resort to corruption
to bribe―one―corrupt―one―palm one―grease one's palm―oil one's hand―resort to corruption