1 used with prepositions to mean that time in the past or future -- waktu itu
2 after that -- kemudian
3 in that case -- kalau begitu
He might not give us the money and then what would we do?
4 often used especially at the end of sentences in which an explanation, opinion etc is asked for, or which show surprise etc -- lalu
What do you think of that, then?
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Kita dapat menyelesaikannya selangkah demi selangkah berapa panjang jalannya dan tidak dapat diselesaikan betapapun pendeknya jalannya jika Anda bahkan tidak menandai jejak kaki Anda.