1to penetrate; to seep through
2to tell secretly; to leak
3thoroughly; through and through
4to appear; to show
Examples
zuó tiān昨天de的tiān qì天气huài坏tòu透le了。
昨天的天气坏透了。
The weather was very bad yesterday.
这件衣服很透。
This piece of clothing is see-through.
他坏透了。
He is rotten to the core.