You can scowl later when you actually have something to scowl about.
等真要发愁那会儿再说吧。

He always added, scowling at his son.
他总是补充说，冲他的儿子皱眉。

Here are aged Moors with flowing white beards, and long white robes with vast cowls.
这儿有批上年纪的摩尔人，白须飘拂，身穿白长袍，头顶大风兜。

He looked around at each of them with his aggressive, pudgy face set in a fierce scowl.
他看了看周围的每个人，盛气凌人的胖脸上异常阴沉。

The cowling on an aircraft.
整流罩飞机的引擎外罩

All my attempts to amuse the children were met with sullen scowls.
我想尽办法哄这些孩子玩儿，但是他们总是满脸不高兴。

An impatient scowl.
不耐烦的怒容

I wonder why he is wearing an angry scowl.
我不知道他为何面带怒容。

Dont let anyone wearing a scowl come closer than a hundred paces.
不要让任何拉着一副老脸的人接近你。

Ron scowled at both his parents, then picked up his spoon and attacked the last few mouthfuls of his apple tart.
白了父母两眼，然后拿起勺子，吃完最后几口苹果馅饼。

A hooded cloak worn especially by Arabs. cowl head ventilator
带帽斗篷尤指阿拉伯人穿着的带帽兜的斗篷

He had his hat tucked under one arm and wore a grim scowl on his face.
他一只胳膊上放着帽子，一脸正经的。

And here he comes with that trademark arrogant scowl.
他带着那招牌式的傲慢怒容入场了。

Even on calm days, Tehran wears a scowling, joyless aspect.
即便在平静的日子里，德黑兰仍然一片阴霾和沉闷。

Her smile vanished, and she assumed a look of injured innocence. He let his face resume a scowl.
她不笑了，也摆出生气的样子来。他板起面孔，显出生气的样子。

They mount to the hull and attach to the cowl easily and stay securely fastened when running.
他们安装在船体和重视罩容易和住宿稳妥运行时。

I then painted the hull and cowl with automotive grade primer from the auto parts store.
然后我画的船体和整流罩汽车入门级的汽车零部件商店。

Design of Slitting and Side Piercing Die of Inner Plate Body for Left and Right Wheel Cowling of Automobile
汽车左右轮罩内板本体剖切侧冲孔模设计

I scowled back.
我怒视回去。

Would he have clapped his hand and scowled on me and bid me begone
他会不会用手捂着心口，对我瞪起眼睛，要我走开?

Kobe Bryant is baring his teeth and scowling in these NBA finals.
科比。布莱恩特则在总决赛里呲牙咧嘴。

BUTCH scowling briefly at the bars.
布奇对着那窗栏皱了皱眉头。

Optimization design of sealed cowling structure for magnetic bearing reaction flywheel
磁悬浮反作用飞轮密封罩结构的优化设计

He scowled, and slammed the door behind him.
他怒气冲冲，摔门而去。

Below the fuselageinstall lading gear，wheel and wheel cowling.
机身下面安装起落架，机轮，轮罩。