可以 eg. I think I can (will be suceed in doing something). 我认为我可以 （做成某事）.

能 eg. 我能行么啊？ Can I do this? Can I make it? Can I achieve that?

会 eg. 我会成功吗? Will I succeed?

Gentlemen should reason thing out rather than resort to force.

灵巧 dexterous; nimble; skillful; ingenious eg. nimble movements 动作灵巧 a pair of clever hands 一双灵巧的手 You need manual dexterity to be good at video games. 玩好电子游戏手要灵巧。 熟练 skilled; practised; proficient eg. skilled [experienced] worker; hot-short 熟练工人 skilled in a technique 技术熟练 a practised skill 一种熟练的技能 be proficient in doing sth. 做某事很熟练 He's not very skilful with his chopsticks [at using chopsticks]. 他用筷子不大熟练。 技巧 skill; technique; craftsmanship; technic; workmanship; trick; know-how; artifice; wrinkle; mechanics; mechanism eg. one's skill at embroidery 刺绣技巧 writing technique 写作技巧 artistry 艺术技巧 acquire the story-telling technique 学会讲故事的技巧 bargaining skill 讨价还价的技巧 marketing skill 销售技巧 show off one's skill 卖弄技巧 It needs skill to tune a piano. 调准钢琴需要技巧。 This musician has perfect technique but little expression. 这位音乐家技巧极好， 但表现力不足。 技术 technology; skill; technique; art; tech eg. science and technology 科学技术 adopt advanced techniques 采用先进技术 one's art is skillful 技术精良 be skillful at; be proficient in 技术熟练 master technique 掌握技术 agrotechnics; agrotechnique; farming technique 农业技术 study at a school of technology 在技术学校学习 space technology 空间技术 Many people call the age we live in the age of technology. 许多人把我们所处的时代称为技术时代。 Science has contributed much to modern technology. 科学为现代技术作出了巨大贡献。

我怎么觉得没有区别