Lock your bike to something immovable like a railing or lamp-post.把自行车锁到一个固定物体上,如栏杆或路灯柱上。Lock the door on your way out.你出去时把门锁上。Lock up your valuables.把贵重物品锁好。Over the past several decades, scientists were unable to demystify the legend of the Lock Ness Monster.几十年来,科学家都无法解除尼斯湖水怪的神秘传说。