Although a lot of professional experts have made many significant achievements on theoretical aspect, there is still ample room for further investigation regarding vocabulary teaching strategy especially on its application in real class teaching.

 2. Literature Review

2.1 Teaching Strategy

2.1.1 Definition of Teaching Strategy

Strategy refers to “a plan that is intended to achieve a particular purpose” (Oxford Advanced Learner’s English-Chinese Dictionary, 7th edition). As for teaching strategy, there are various understandings of its definition. 

According to American educator Smith (cited by Yu Ping, 2000), teaching strategy is the overall deployment of the teaching content and the overall direction for controlling students' performance.

Gagne (cited by Yu Ping, 2000) put forward his definition of teaching strategy while investigating teaching design and mentioned that teaching strategy involves helping students finish every homework plan by their own effort. 

To Gao Wen (cited by Yu Ping, 2000), teaching strategy is the teaching method adopted to achieve the predetermined teaching aim.

Huang Gaoqing (cited by Yu Ping, 2000) defined teaching strategy as the effective method in solving teaching problems, technological practice rule and programming knowledge.