French-English translations for précautionneux

careful
us
I consider that in this text, which is acceptable regarding freight, we are going to have to be careful about opening up to international passenger traffic. Je considère que, dans ce texte, qui, sur le fret, est acceptable, il va falloir que l’on soit précautionneux pour l’ouverture au trafic international des passagers. He was a slow and careful driver.They made a careful search of the crime scene.
cautious
us
We must therefore be extremely cautious. Il faut donc être très précautionneux. He took a few cautious steps toward the cave.