Definition: If someone or something is dangerous, they could harm you. Level: A2
在繁忙的街道上骑自行车很危险。
Riding a bike on a busy street is ___dangerous.
这种病毒对老年人很危险。
This virus is ___dangerous for old people.
吃太多糖对你的健康有害。
Eating too much sugar is ___dangerous for your health.
