通

tōngtòng

to go through; to know well; (suffix) expert; to connect

How to write 通, stroke by stroke

tōng: to go through; to know well; (suffix) expert; to connect; to communicate; open; to clear; classifier for letters, telegrams, phone calls etc
tòng: classifier for an activity, taken in its entirety (tirade of abuse, stint of music playing, bout of drinking etc)

Pictophonetic: semantic 辶 (walk), phonetic 甬

Made of 辶 + 甬

通过tōng guòto pass through; to get through; to adopt (a resolution); to pass (legislation); to pass (a test); by means of; through; via
通知tōng zhīto notify; to inform; notice; notification
通常tōng chángregular; usual; normal; usually; normally
普通pǔ tōngcommon; ordinary; general; average
通话tōng huàto hold a conversation; to talk over the telephone; phone call
通讯tōng xùncommunications; news story; dispatch
通道tōng dào(communications) channel; thoroughfare; passage
普通人pǔ tōng rénordinary person; private citizen; people; the person in the street
沟通gōu tōngto join; to connect; to link up; to communicate
通往tōng wǎngto lead to
交通jiāo tōngto be connected; traffic; transportation; communications; liaison
不通bù tōngto be obstructed; to be blocked up; to be impassable; to make no sense; to be illogical

如果你要改变主意，通知我。
rú guǒ nǐ yào gǎi biàn zhǔ yì ， tōng zhī wǒ 。
Should you change your mind, let me know.
我不想不通过考试。
wǒ bù xiǎng bù tōng guò kǎo shì 。
I don't want to fail my exams.
那个名字很普通吗？
nà ge míng zì hěn pǔ tōng ma ？
Is that a common name?
我通常在晚上洗澡。
wǒ tōng cháng zài wǎn shàng xǐ zǎo 。
I usually take a shower in the evening.
在左边有一条秘密通道。
zài zuǒ biān yǒu yì tiáo mì mì tōng dào 。
There's a secret path on the left.