2 sentences for 偷渡 (tōu​dù — illegal crossing)

1. 他把所有积蓄都给了带他偷渡的蛇头。

   tā bǎ suǒ​yǒu jī​xù dōu gěi le dài tā tōu​dù de shé​tóu.

   He gave all his savings to the human smuggler who helped him cross the border illegally.

   Source: Dong Chinese Dictionary

2. 他企图躲在货柜里偷渡出境，但被海关发现了。

   tā qǐ​tú duǒ zài huò​guì lǐ tōu​dù chū​jìng, dàn bèi hǎi​guān fā​xiàn le.

   He attempted to smuggle himself out of the country in a shipping container, but was discovered by customs.

   Source: Dong Chinese Dictionary