惯用语

commonly used phrase / idiom / colloquial usage

accustomed to / used to / indulge / to spoil (a child)

to use habitually / habitual / customary

to use / to employ / to have to / to eat or drink / expense or outlay / usefulness / hence / therefore

choice of words / wording / phraseology / term

dialect / language / speech

to tell to

idiom / idiomatic expression / habitual form of speech (grammar)