2 sentences

1. 他的动作既轻快又潇洒。

   tā de dòng​zuò jì qīng​kuài yòu xiāo​sǎ.

   His movements are both light and dashing.

   Source: Dong Chinese Dictionary

2. 既然已经决定离开，不如表现得潇洒一点。

   jì​rán yǐ​jīng jué​dìng lí​kāi, bù rú biǎo​xiàn de xiāo​sǎ yī​diǎn.

   Since you've already decided to leave, you might as well do it with some poise.

   Source: Dong Chinese Dictionary