掩 yǎn HSK7 to cover (with the hand) Origin Definitions Defs Strokes Stroke Words Sentences Sents Showing: surprise attack All meanings 4 yǎn 4 conceal 2pinch 1surprise attack 1 1 sentence for 掩 (yǎn — surprise attack) 乘其不备，掩其不意。 chéng qí bù bèi, yǎn qí bù yì. Catch them off guard and take them by surprise. Source: Dong Chinese Dictionary