If something gives way, it breaks or falls because it cannot hold the weight on it.
The old bridge gave way under the heavy truck.
舊橋在重型卡車的重壓下坍塌了。
to stop and let other vehicles go first before you move onto a bigger road
At the roundabout, you must give way to traffic from the right.
在環島處,你必須讓右側的車輛先行。