解决方案 - 中高级 - 第 5 单元 - 5G

occurring unexpectedly or without prior planning

意外的

(of a person) having a positive attitude and believing that good things are likely to happen

充满希望的

very harmful or bad

灾难性的

lacking flavor or an interesting taste

无味的

having a lot of strong winds

多风的

having a carefree and lighthearted way of behaving

无忧无虑的

able to be trusted to perform consistently well and meet expectations

可靠的

able to be relied on to do what is needed or asked of

可靠的