(especially of information) readily available; accessible（尤指信息）近在手边的，唾手可得的
by one's fingertips
only with difficulty困难地，艰难地，举步维艰地
to one's fingertips
completely彻底地，完全地
at (one's) fingertips
Readily or instantly available.唾手可得：稳定地或固定地得到
柯林斯高阶英汉双解学习词典释义
N-COUNT
指尖
Your fingertips are the ends of your fingers.
例句
The fat and flour are rubbed together with the fingertips as for pastry.像做油酥面团那样用指尖把脂油和面粉揉搓到一起。
PHRASE
近在手边;随时可用
If you say that something is at your fingertips, you approve of the fact that you can reach it easily or that it is easily available to you.
例句
I had the information at my fingertips and hadn't used it.资料就在我手边，但一直都没有用。
英汉词典释义
n.
指尖
He is an artist to his fingertips.他是个十足的艺术家。He touched the parcel lightly with his fingertips.他轻轻地用指尖碰了碰包裹。Massage it lightly with your fingertips.用指尖轻轻按摩。
手头有某物随时可供应用
He has parliamentary procedure and the rules and traditions of the House of Commons at his fingertips.他对议院法和下议院的传统惯例都非常熟悉。Have the nautical chart at your fingertips,and you’ll be able to steer your ship.熟水路才能划好船。