To speak harshly or thoughtlessly without malicious intent; blunt and straightforward

an unintentional action that leads to an unexpected positive result; literally meaning 'planting a willow branch without intent and seeing it grow into a shade tree'

totally heartless; completely lacking any sense of conscience or shame

to have no heart for food or drink; typically used to describe someone so anxious or melancholic that they lose interest in eating and drinking

Sharp-tongued but not malicious; to say things without thinking or without meaning any harm

a mistake or fault made due to negligence or lack of intent; a casual error

unintentional actions may bring unexpected results; literally to idly poke a willow branch in the ground and have it grow into a shade tree

clouds drift out from the mountain caves without intention; an idiom describing a state of natural ease, freedom from worldly ambition, or acting without a calculated motive

intentional efforts may fail while unexpected actions lead to success; literally: planting flowers with care but they do not bloom, while sticks of willow planted without thought grow into shade

Literally "to plant flowers with intent and have them not bloom, while sticking a willow branch in the ground without thought and having it grow into shade"; describes how well-laid plans may fail while success can come unexpectedly from casual actions.

(idiom) describes a good outcome that was unanticipated, serendipitous, or fortuitous

Literary idiom used to describe actions done unintentionally or without a specific plan, like clouds drifting from a mountain; to act without consideration