to start again from the beginning
最初からやり直す (saisho kara yarinaosu)
"If this doesn’t work, we’ll have to go back to square one."
"これがうまくいかない場合は、最初からやり直さなければなりません。" (Kore ga umaku ikanaiba, wa **saisho kara yarinaokasanakereba narimasen**.)
to be caught in the act of doing something wrong
to get rid of something unpleasant
to change opinions or decisions repeatedly
very strong and resilient
very common and not valuable
very calm and composed
