Frost is possible, although unlikely, at this time of year.
在一年中的这个时候, 下霜也是可能的, 虽然可能性并不大。
On the evidence of their recent matches it's unlikely the Spanish team will win the cup.
从西班牙队最近的比赛情况来看, 他们难以在这一锦标赛中夺标。
He is very ill and unlikely to recover.
他病得非常厉害, 不大可能恢复健康了。