he helped me when i am in trouble.这里的be in trouble前面不用the,有没有其他类似词组?

he helped me when i am in trouble.这里的be in trouble前面不用the,有没有其他类似词组?
he helped me when i am in trouble.这里的be in trouble前面不用the,有没有其他类似词组?

he helped me when i am in trouble.这里的be in trouble前面不用the,有没有其他类似词组?
in case 免得
in condition 身体健康
in danger 处于危险
in effect 生效
in error 错误
in fashion 时髦
in line 排成一行
in order 适当的
in truth 事实上

be out of place

in danger

固定搭配表示困难中
很多，如 in time及时等