/step ||; stɛp/noun[C] 1 the action of lifting one foot and putting it down in a different place 脚步: Nick took a step forward and then stopped. 尼克向前走一步，然后停下来。I heard steps outside the window. 我听见窗外有脚步声。We were obviously lost so we decided to retrace our steps(= go back the way we had come). 我们显然迷了路，因此决定往回走。
2 one action in a series of actions that you take in order to achieve sth 步骤: This will not solve the problem completely, but it is a step in the right direction. 这不会彻底解决问题，但朝着正确的方向迈了一步。
3 one of the surfaces on which you put your foot when you are going up or down stairs 梯级；台阶: on the top/bottom step 在最上面的╱最底下的一级 ☞Look at the note at stair. 参看stair的注释。
in/out of step (with sb/sth) moving/not moving your feet at the same time as other people when you are marching, dancing, etc （与某人或某事物）步伐一致╱不一致
step by step (used for talking about a series of actions) moving slowly and gradually from one action or stage to the next （指一连串行动）按部就班，逐步:
clear step-by-step instructions 清楚的逐步指令 take steps to do sth to take action in order to achieve sth 采取一连串行动或措施（以达到目的）
watch your step 1 to be careful about where you are walking 小心行走
2 to be careful about how you behave 谨慎行事