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1. Rebel sources have so far reacted cautiously to the threat.

到目前为止，反叛分子面对威胁的反应非常谨慎。

2. She climbed the staircase cautiously, holding fast to the rail.

她紧紧地抓着栏杆，小心翼翼地爬楼梯。

3. The commission is cautiously favourable to Austrian membership, foreseeing few economic problems.

没有预见到什么经济问题，委员会谨慎地赞同吸收奥地利为会员。

4. David moved cautiously forward and looked over the edge.

戴维小心翼翼地往前挪，从边缘向下张望。

5. She sat down cautiously on the red canvas cushions, knees modestly together.

她小心翼翼地在红帆布垫上坐下，膝盖矜持地并拢着。