0 the speech defect of being unable to produce easily certain sounds -- gagap
1 to speak with a stammer or in a similar way because of eg fright, nervousness etc -- berbicara gagap
He stammered an apology.
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.