第1个回答 2012-04-12
suddenly
abruptly
unexpectedly
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第2个回答 2012-04-12
Suddenly 最常用
Unexpectedly本回答被提问者采纳
第3个回答 2012-04-12
suddenly;unexpectedly;out of the blue;abruptly
第4个回答 2012-04-12
suddenly
abruptly
out of the blue
unexpectedly
on the jump
第5个回答 2012-04-12
suddenly
abruptly
out of the blue
unexpectedly
on the jump