一句是一句

yījùshìyījù ㄧ ㄐㄩˋ ㄕˋ ㄧ ㄐㄩˋ

    • concise, with no waste in words
    • to stand by one's word

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
one sentence is one sentence
Meaning
Either writing or speech that is concise with no waste, or someone who stands by their word.

Sources