A: Helpfulness and caring./Adaptability and sense of humor./Cheerfulness and friendliness.

乐于助人和关心他人。 /适应能力和幽默感。

youdao

He said, with a great show of cheerfulness: "I bet there's been pirates on this island before, boys."

他露出充满兴趣的样子说：“伙计们，我敢说这个岛上以前一定有过海盗。”

youdao

Yellow produces a warming effect, arouses cheerfulness, stimulates mental activity, and generates muscle energy.

黄色能产生变暖效应、唤起快乐情感、激发心理活动和产生肌肉活力。

youdao

What they also have in common is a resolute cheerfulness in the face of annoying questions about how much longer a recovery is going to take.

BBC: Nokia and Sony - in the recovery room?

Like Reagan, he has a basic cheerfulness and Midwestern equanimity.

WSJ: Review & Outlook: Why Not Paul Ryan?

The young Amy Adams, with her doll-like appearance blue eyes, red hair, very pale skin has what can only be called a gift for portraying generosity, optimism, and cheerfulness.

NEWYORKER: Sunshine Cleaning