Admittedly, it is rather expensive but you don't need to use much.

　　它的確很貴，但不需要用得很多。

　　Sometimes, avoidance of one particular food will have this beneficial effect, though admittedly rarely.

　　有時，對某一食物的忌口能帶來這種好處，盡管不可否認(rèn)這種情況極為少見。

　　His face will be discreetly concealed by camera angles.

　　通過調(diào)整照相機(jī)的角度，他的臉將被巧妙地遮住。

　　Garland covered his mouth with his hand and belched discreetly.

　　加蘭用手掩住嘴巴，小心地打了一個嗝。