Faint-hearted used in a sentence

Faint-hearted in a sentence as an adjective

Not for the faint-hearted, or for cursory reading.

Does Unix's enormously steep learning curve have any function other than to deter the faint-hearted, those who may want to use computers without necessarily dedicating their lives to them?

Thank you for that article for me this quote from Tesla so well explains the struggle of invention.“It is not a dream, it is a simple feat of scientific electrical engineering, only expensive — blind, faint-hearted, doubting world!

Not for the faint-hearted to get to a point where you're happy with the configuration, but it's a total Swiss Army knife for scripting just about anything on your system, from window placement/moving to changing DNS or proxy settings when connecting to different networks, to preventing sleep, etc.