second gear

基本解释

Second gear is slow enough to maintain control and quick enough to maintain momentum.
一方麪，二档速度夠慢，有利於保持控制，同時又有一定速度，可以保持一定的沖勁。
I noticed that she was keeping the car in second gear when she clearly should have shifted to third, maybe even to fourth.Stupidly, I told her so.
我注意到她打在二档上，通常這種狀況應是三档或四档，於是我告訴她該如此如此。
In which case, the speed increase we got by moving from dial-up to broadband may have just been shifting into second gear on the information superhighway.
對比起來，我們從撥號上網到寬帶上網所得到的增速衹是在信息高速公路上掛了第二档而已。

With members of the Apatow gang (Paul Rudd, Jonah Hill, Bill Hader) operating in second gear.
NEWYORKER: Forgetting Sarah Marshall
Stuck in second gear with a squirrelly front brake, I finally gave up all hope of a swim.
NEWYORKER: Swimming
The economy, it seems, continues to muddle along, stuck in second gear, as economist David Levy recently noted.
FORBES: Sentiment Drops As Consumers Weigh 4% Income Contraction Due To Higher Taxes