Skyping with a Japanese friend last night, I introduced her to the idiom "all bark and no bite" cos I wasn't sure there was a jpn equivalent. She then taught me:
有言実行 (ゆうげんじっこう)= delivering on what you say
有口無行 (ゆうこうむこう) = not delivering on what you say
8:05 AM · Jan 13, 2020Twitter for Android