full steam ahead 意思是充满信心地和精力饱满地全速前进。
- We‘ve had months of setbacks but now it‘s full steam ahead. We should have the new product out by April.
- We‘re going full steam ahead with our plans to extend the kitchen.
值得注意的是，不要把这个短语和另一个短语 to do something under your own steam 混淆起来，后者的意思是独立完成某事。
- I made the whole film without help; the script, the direction, the editing – I did it all under my own steam.