3 sentences for 轻重 (qīng​zhòng — importance)

1. 做事要分轻重先后。

   zuò shì yào fēn qīng​zhòng xiān​hòu.

   One must prioritize tasks based on their importance and order.

   Source: Dong Chinese Dictionary

2. 权其轻重而取之。

   quán qí qīng​zhòng ér qǔ zhī.

   Weigh the pros and cons before making a choice.

   Source: Dong Chinese Dictionary

3. 处理日常事务，必须分清轻重缓急。

   chǔ​lǐ rì​cháng shì​wù, bì​xū fēn​qīng qīng​zhòng huǎn​jí.

   When handling daily affairs, one must prioritize tasks according to their importance and urgency.

   Source: Dong Chinese Dictionary