turning

Compared meaning: the act of turning or rotating (noun).

比较义项：转动、转弯的动作（名词）。

• turn

  Turn is the common, everyday noun for a single instance of turning or rotating; it fits countable actions and fixed phrases (a turn of the key, a wrong turn) far more naturally than turning.

  turn 是表示“转动、转弯”这一动作最常用、最口语化的名词，很自然地用于可数的单次动作和固定搭配中（a turn of the key 转一下钥匙，a wrong turn 转错方向），使用频率远高于 turning。

  The wheel needs one more turn before it locks into place.

  这个轮子还需要再转一圈才能卡到位。

• turning 本词

  Turning is used especially, often in British English, for a point where a road bends or branches off; as a general word for the act of turning it is rarer and sounds more formal than turn.

  turning 尤其在英式英语中多指道路上转弯、分岔的地点；作为表示“转动”这一动作的泛用词，它比 turn 少见，语气也更正式。

  Take the second turning on the left after the church.

  过了教堂之后，走左边第二个转弯口。

Turn and turning both mean turning or rotating. Turn is the common, everyday word, used in many phrases. Turning is rarer and more formal, often naming a place where a road bends. This does not compare turn's other sense, a person's chance to do something.

turn 和 turning 都能表示“转动、转弯”这一动作，但 turn 是最常用、最口语化的说法，常出现在很多固定搭配里；turning 使用频率低得多，尤其在英式英语里多指道路上转弯、分岔的地点，语气也更正式。这里不比较 turn 表示“轮到某人的机会”的义项（如 it's your turn）。