David moved cautiously forward and looked over the edge.

大卫小心翼翼地向前移动，眼睛从边缘上往下看。

These borderline differences should be interpreted cautiously given the number of outcomes examined.

考虑到研究结果，应对这些不明确的不同之处加以谨慎分析。

I am cautiously optimistic that a new government will be concerned and aware about the environment.

对于政府是否将会关心和考虑环境问题，我持谨慎的乐观态度。

Rebel sources have so far reacted cautiously to the threat.

反抗组织到现在为止谨慎地应对了这一恐吓。