to fall deeply in love
глубоко влюбиться (gluboko vlyubitsya)
"He fell head over heels for her the moment they met."
"Он глубоко влюбился в неё, когда они встретились." (On gluboko vlyubilsya v neyo, kogda oni vstretilis.)
Any big task starts with a small action.
Continue your efforts even when facing challenges.
expect a positive outcome even in uncertainty
to cause pollution or environmental impact through daily act...
To do what you promised to do.
To try to solve a problem by spending a lot of money instead...