As part of a special test, the school has brought the students to an uninhabited tropical island where they must now live for a week. Their performance on the test can have an enormous impact on the point standings of the four classes.
He does everything with 
absolute confidence, too.
يؤدي كلّ شيءٍ بمنتهى الثقة أيضاً
Er lässt keinen Zweifel erkennen.
Lo hace todo con confianza…
Lo hace todo con confianza…
Ele faz tudo confiante.
Он уверен во всех своих действиях.