Passing through or penetrating
The character 透 indicates the action of passing through a medium or barrier.
Watch the stroke order, then trace it yourself.

The character 透 indicates the action of passing through a medium or barrier.
Passing through (辶) like a sprout (秀) piercing the soil — to penetrate or reveal clearly.
transparent
The character 透 conveys the meaning of reaching an extreme degree or going beyond a limit.
to reveal
He disclosed a secret.
Please open the window to ventilate.
This glass is transparent.
This watermelon is fully ripe.
Sunlight passes through the window and shines into the room.
Explore characters by relationship
Characters from the same exam level.
Characters pronounced "tou".
Characters with radical "辶".