top gear

highest gear (usu fourth), allowing the fastest speeds 最高挡（通常为第四挡）: If you try to start off in top gear you'll stall. 要是刚一发动就用最高挡, 那就会熄火.

too...to do..., too...to..., took, tool, tools, toot, tooth, tooth-powder, toothache, toothbrush, toothed, toothily, toothless, toothpaste, toothpick, toothsome, toothy (-ier, -iest), tootle, top, top drawer, top hat (also topper), top secret, top ten, top twenty, top-boot, top-dress, top-dressing, top-flight, top-heavy, top-notch, top-ranking, top-up, topaz, topcoat, topi, topiary, topic, topical, topicality, topically, topknot,