逞能: to show off one's ability, to boast one's merits...
许可: to allow, to permit...
动向: trend, tendency...
沉: to submerge, to immerse, to sink, to keep down, to lower, to drop, deep, profound, heavy...
提速: to increase the specified cruising speed, to pick up speed, to speed up...
拳头: fist, clenched fist, competitive (product)...
健美: healthy and beautiful, to do fitness exercises, abbr. for...
男子: a man, a male...
浏览器: browser (software)...
出难题: to raise a tough question...