Subject + 浅
The adjective 浅 (qiǎn) means "shallow" and can describe physical depth (such as shallow water) or figurative depth (such as limited knowledge or experience). It is the opposite of 深 (deep). Use 浅 to describe things that lack depth, whether literally or metaphorically.
这条河很浅,小孩子也能趟过去。
Zhè tiáo hé hěn qiǎn, xiǎo háizi yě néng tāng guòqù.
This river is very shallow; even children can wade across it.
他对这个问题的理解还很浅,需要多学习。
Tā duì zhège wèntí de lǐjiě hái hěn qiǎn, xūyào duō xuéxí.
His understanding of this issue is still quite shallow; he needs to study more.
浅水区比较安全,适合初学者游泳。
Qiǎn shuǐ qū bǐjiào ānquán, shìhé chūxuézhě yóuyǒng.
The shallow water area is relatively safe and suitable for beginners to swim.