unskillful

adj.

不熟练的，不灵巧的，笨拙的；

1. The machine was rendered useless by unskillful handling.
   由于操作不熟练，机器给弄得没有用了。
2. The answer of some problems is unskillful.
   一些问题的回答是不熟练的。

“Skillful” and “Unskillful” in the Creation of Calligraphy
A Brief Discussion on Problems of the Skillful and Unskillful Techniques when Driving a Car
Ethical thinking about the regulation how to deal with unskillful and faulty medical treatment
Before Ladies and Gentlewomen Were Unskillful: Honorific Invocations of Learned Women in Early Modern Bilingual Dictionaries
To Discuss a Negotiation for Indemnity of Unskillful and Faulty Medical of Incomplete Information by Perfect Bayesian Equilibrium
A case study on the instruction of an schoolchild with unskillful for physical education : From first grade to third grade
A study of the listening strategies used by skillful and unskillful college French students in aural comprehension tests /
A comparative research on personality characteristic between skillful master and unskillful master
The Research on Cao Pi's Style Ideas of Lun From the View of Kong Rong's "Theory of Unskillful Writing of Argumentation"
Comparison of the Laryngeal View during Tracheal Intubation Using Airtraq and Macintosh Laryngoscopes by Unskillful Anesthesiology R...