Unskillful riders are not recommended to rent bicycles.

To cut ( something ) in a crude, unskillful manner; hack.

以一种拙劣 、 不熟练的方式切割 ( 某物 ); 乱劈.

He was unsmiling and silent.

他不苟言笑，沉默寡言。

The guards stood stiff-backed and unsmiling.

卫兵挺着腰、板着脸站在那里.

The boss an unsmiling man.

老板是个不苟言笑的人.

She submitted to this scrutiny in unsmiling silence, patiently waiting for his next move.

让他这么看着,刘玉英也不笑,也不说话, 耐烦地等待那结果.

His eyes were hard and unsmiling.

他目光严厉冷峻。

At only 15 months, he would unsnap his onesies to make it look like a dress.

只有15个月时, 他扯开他的婴儿装,使它看起来像件裙子.

The man's unsociable behavior gradually alienated him from all his friends.

那个人不友善的行为渐渐使他和所有的朋友疏远了.

I was in my usual post-visit mood: tired and unsociable.

和每次探视之后一样,我的情绪疲惫而孤僻.

His unsociable character makes it hard for us to get along with each other.

他落落的性格导致我们很难相处.

Nowadays children are becoming more and more lazy, fat and unsociable, give reason and solution.

现在孩子变的越来越懒惰, 肥胖和不爱交际, 给出原因和解决方法!

He taciturn and unsociable, and rarely spoke to you.

他总是不声不响,冷冰冰的, 难得跟你交谈.

He was taciturn and unsociable, and rarely spoke to you.

他总是不声不响, 冷冰冰的,难得跟你周旋.

The unsociable person is hardly fit for a diplomat.

不擅社交的人几乎不适合做外交家.

The nurses have to work unsocial hours.

那护士必须在非正常生活作息的时间工作.

Eg : Working unsocial hours is just one of the stresses and strains of the job.

工作外时间加班工作只是这份工作的压力之一.

Personal disorganization resulting in unsocial behavior.

在个人或社会行为上的约束.

As a policeman you often have to work unsocial hours.

作为警察,你就得在非正常生活作息的时间工作.

I work long and unsocial hours.

我工作时间长，且在非正常时间上班。

Summer is a season for unsocial people, only summer can light them up!

夏天是一个不合群的人季节, 只有夏季可以根据他们了!