3 sentences

1. 我决定当场就对她说。

   wǒ jué​dìng dāng​chǎng jiù duì tā shuō.

   I decided to tell her there and then.

   Source: OpenSubtitles

2. 我决定当个侦探。

   wǒ jué​dìng dāng ge zhēn​tàn.

   I decided to be a detective.

   Source: OpenSubtitles

3. 她决定，当她还在上大学，她想做点什么来帮助。

   tā jué​dìng, dāng tā hái​zài shàng dà​xué, tā xiǎng zuò diǎn shén​me lái bāng​zhù.

   She decided that while she was still in college, she wanted to do something to help.

   Source: CCMatrix