unusual or unconventional
inhabituel ou non conventionnel (inhabituel ou non conventionnel)
"His ideas are often off the wall, but they sometimes work."
"Ses idées sont souvent off the wall, mais parfois elles fonctionnent." (Ses idées sont souvent **off the wall**, mais parfois elles fonctionnent.)
to stop believing in your own ability or someone else’s
a situation in which something has suddenly failed or collap...
A brief look or summary of something
using creative and low-cost strategies to rapidly grow a bus...
someone who talks a lot, especially a child
To openly show your emotions or feelings.