When they were quite out of sight, Phineas began to bestir himself.
We Chinese should bestir ourselves.
He was too lazy to bestir himself even to answer the telephone.
Young people of the whole country, bestir yourselves!
You will fail unless you bestir yourself.
Mark these three words, "make", "arduous" and "efforts". We must bestir ourselves and make arduous efforts.
Come, bestir yourself!
Brace up; bestir oneself