slap on
US /slæp ɑːn/
UK /slæp ɑːn/

1.
隨便塗抹, 草草了事
to apply something quickly or carelessly
:
•
He just slapped on some paint without bothering to prepare the wall.
他只是隨便塗了些油漆,根本沒費心準備牆壁。
•
Don't just slap on a bandage; clean the wound properly first.
不要只是隨便貼上繃帶;先好好清潔傷口。