The most common thing we stumbled on is a very long-snouted and very large crocodile. We collected a 6-foot skull. The crocodile would have been about 50 feet long.

I didn't have very rosy prospects in school,

'Crocodile Dundee' is about people; it's 10 seconds about crocodiles.

He just stumbled into them.

Who comes out of the jungle finds crocodiles. (Qui sort de la jungle - Trouve les crocodiles)

Sophy looked at him. Under his amazed and horrified gaze, large tears slowly welled over her eyelids, and rolled down her cheeks. She did not sniff, or gulp, or even sob: merely allowed her tears to gather and fall.
'Sophy, for God's sake do not cry!'
'Oh, do not stop me!' begged Sophy. 'Sir Horace says it is my only accomplishment.'
Mr. Rivenhall glared at her. 'What!'
'Very few persons are able to do it!' Sophy assured him. 'I discovered it by the veriest accident when I was seven years old. Sir Horace said I should cultivate it, for I would find it most useful.'
'You - you - ' Words failed Mr. Rivenhall. 'Stop at once!