in

thief in the night: Idiom Meaning and Origin

take part: Idiom Meaning and Origin

stick in the mud: Idiom Meaning and Origin

stay put: Idiom Meaning and Origin

stand in someone’s shoes: Idiom Meaning and Origin

stand for: Idiom Meaning and Origin

smell what someone is stepping in: Idiom Meaning and Origin

sleep in: Idiom Meaning and Origin

sit in for: Idiom Meaning and Origin

sit in: Idiom Meaning and Origin

sing along: Idiom Meaning and Origin

sign in: Idiom Meaning and Origin