2 sentences for 疏 (shū — unfamiliar)

1. 我的德语有点生疏了。

   wǒ​de dé​yǔ yǒu​diǎn shēng​shū le.

   My German's a little rusty.

   Source: OpenSubtitles

2. 我的拉丁语有点生疏。

   wǒ​de lā​dīng​yǔ yǒu​diǎn shēng​shū.

   My Latin is a little rusty.

   Source: OpenSubtitles