Senses
打底 to lay a foundation
To lay a foundation; to make a first sketch or preliminary plan
打底 to line one's stomach
To eat something before consuming alcohol to prevent getting drunk or sick
打底 to apply a base coat
To apply an undercoat of paint, or to apply foundation makeup to the face before other cosmetics.
打底 to bottom out
(stock market) For a share price to stabilize or oscillate at a low level before beginning a recovery.
打底 to make prior arrangements
To arrange matters in advance or provide a heads-up to ensure things go smoothly
打底 end
The end or bottom part of something, such as the innermost part of a room
打底 to feel secure
To have a baseline level of confidence or a safety net