1·She was relieved to see his face light up with a boyish grin.
看到他脸上显出孩子气的笑容，她松了一口气。
—— 《柯林斯英汉双解大词典》
2·Like mummies coming back from the dead, their animated faces emerge in the firelight, revealing downy wisps of beard and boyish grins.
象死而复生的木乃伊，他们的脸在火光间出现了，露出毛茸茸的小束胡须和孩子气的笑容。
3·Mr Cox has secured a large fan base with his boyish good looks, his happy turns of phrase and his knack for presenting complex ideas using simple analogies.
考克斯以他孩子气的好容貌、他的妙语如珠、以及他用简单的类比表达复杂构想的诀窍赢得了稳固的粉丝群。
4·The very first chance that I got evaded his grasp and ran on ahead into the dark, skipping with feigned boyish exuberance.
这是我第一次不让他领着走。 我假装出一幅孩子气的活泼来，蹦蹦跳跳地朝前跑去，跑进了漆黑的夜色当中。
5·It was a period to which, if error was natural, so was the boyish faculty of hoping, believing and rejoicing.
那是这样的一段时期：如果犯错是自然的，那么那种孩子气的希望、信仰和快乐也是自然的。
1·This wash of hormones creates an organ that generates typically boyish behaviour, such as rough-and-tumble play.
激素的洗礼造就了一个器官，它将引起典型的男孩的行为方式，比如好打闹争斗。
2·For example, this boy can grow up to be a huge man - but still have a boyish face.
例如这个男孩长成了大人，但是还有一张男孩的脸。
3·This girl likes to have her hair cut in a boyish style.
这个女孩喜欢把自己的头发剪成男孩的发型。