2 sentences for 一行 (yī​háng — profession)

1. 只要努力，你也能在这一行搞出名堂。

   zhǐ​yào nǔ​lì, nǐ yě néng zài zhè yī​háng gǎo​chū míng​tang.

   As long as you work hard, you can also make a name for yourself in this field.

   Source: Dong Chinese Dictionary

2. 他在这一行混得很开，认识不少大人物。

   tā zài zhè yī​háng hùn de hěn kāi, rèn​shi bù​shǎo dà rén​wù.

   He is well-connected in this industry and knows many big shots.

   Source: Dong Chinese Dictionary