3 sentences

1. 他放弃了铁饭碗，决定下海经商。

   tā fàng​qì le tiě fàn​wǎn, jué​dìng xià​hǎi jīng​shāng.

   He gave up his secure government job and decided to go into business.

   Source: Dong Chinese Dictionary

2. 如果公司倒闭了，大家的饭碗就保不住了。

   rú​guǒ gōng​sī dǎo​bì le, dà​jiā de fàn​wǎn jiù bǎo​bu​zhù le.

   If the company goes bankrupt, everyone's livelihood will be at stake.

   Source: Dong Chinese Dictionary

3. 他不小心把手中的饭碗掉在地上摔碎了。

   tā bù​xiǎo​xīn bǎ shǒu​zhōng de fàn​wǎn diào zài dì shàng shuāi​suì le.

   He accidentally dropped his rice bowl and shattered it on the floor.

   Source: Dong Chinese Dictionary