开胸顺心丸

Traditional (Taiwan): 開胸順心丸

kāixiōngshùnxīnwán ㄎㄞ ㄒㄩㄥ ㄕㄨㄣˋ ㄒㄧㄣ ㄨㄢˊ

    • person or thing that relieves worries and puts one at ease

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
a pill that opens the chest and eases the heart
Meaning
A person or thing that relieves someone's worries and makes them feel at ease. Approving, a little humorous.

Sources