她爽快地答应了我们的邀请。

Tā shuǎngkuài de dāying le wǒmen de yāoqǐng.

She readily accepted our invitation.

他性格很爽快，说话从来不拐弯。

Tā xìnggé hěn shuǎngkuài, shuōhuà cónglái bù guǎiwān.

He has a very straightforward personality and never beats around the bush.

有问题就爽快地说出来，不要憋在心里。

Yǒu wèntí jiù shuǎngkuài de shuō chūlái, bùyào biē zài xīnlǐ.

If you have a problem, just say it directly; don't keep it in your heart.