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1·He became conversant in English, and could crack wise on Jimmy Kimmel's show or play pitchman for Visa.

他会说英语，并且可以在吉米·金梅尔的演出中脱颖而出，或者为维萨扮演推销员。

2·This is especially true if you are out on a date together and catch their eye wander. You make a wise crack about it. This actually annoys them very much.

特别是，当你们一起出去时，如果你抓住了他那到处游移的眼睛，并对此说了一句俏皮话，那其实这会使他大为光火的。

3·On the basis of piece-wise-linear plasticity and fracture mechanics, this article presented a 2-dimensional holonomic and nonholonomic constitutive model for cohesive crack of concrete-like materials.

基于分段线性塑性理论和断裂力学理论，提出了一种二维的全量形式和增量形式的粘性裂纹的本构模型。