Meaning of tǒng:
tǒng
捅
Verb
to poke; to jab; to give (sb) a nudge; to prod; to disclose; to reveal
Tā yòng shǒuzhǐ tǒng le tǒng nàge dòng.
他用手指捅了捅那个洞。
He poked the hole with his finger.
Tā yòng shǒu zhǒu qīng qīng de tǒng le wǒ yī xià.
他用手肘轻轻地捅了我一下。
He gently nudged me with his elbow.
Tā bù xiǎo xīn bǎ mìmì gěi tǒng chūlái le.
他不小心把秘密给捅出来了。
He accidentally disclosed the secret.