Rating agencies will become more cautious .

评级机构将变得更加谨慎。

However rikken is more cautious about the work .

然而，rikken对此工作则持更谨慎的态度。

Why is nasa being so cautious ?

为什么nasa会如此审慎呢？

However , be cautious if you 're taking regular medications .

然而，如果你在定期服药的话，需要小心食用。

The market reopened in april , but the central government remains cautious .

四月地票市场重新开放，但中央政府慎重依然。