Had it been otherwise
(будь это иначе), I must long ago have perished (я бы уже давно погиб); but as it was (но и как это было = но и при таком ветре), it is surprising how easily and securely my little and light boat could ride (удивительно, как легко и спокойно моя маленькая и легкая лодка плыла). Often, as I still lay at the bottom (часто, лежа на дне), and kept no more than an eye above the gunwale (и держа не больше, чем глаз над планширом = лишь поглядывая по сторонам), I would see a big blue summit heaving close above me (я видел большую голубую вершину /волны/, нависавшую низко надо мной;gentle [ʤentl] contrariety [kɔntrə`raɪətɪ] gunwale [gʌnl] trough [trɔf]
I remembered what Silver had said about the current that sets northward along the whole west coast of Treasure Island; and seeing from my position that I was already under its influence, I preferred to leave Haulbowline Head behind me, and reserve my strength for an attempt to land upon the kindlier-looking Cape of the Woods.
There was a great, smooth swell upon the sea. The wind blowing steady and gentle from the south, there was no contrariety between that and the current, and the billows rose and fell unbroken.
Had it been otherwise, I must long ago have perished; but as it was, it is surprising how easily and securely my little and light boat could ride. Often, as I still lay at the bottom, and kept no more than an eye above the gunwale, I would see a big blue summit heaving close above me; yet the coracle would but bounce a little, dance as if on springs, and subside on the other side into the trough as lightly as a bird.
I began after a little to grow very bold
(мало-помалу я стал очень смелым), and sat up to try my skill at paddling (и сел прямо, чтобы испытать мое умение гребли = попробовал было грести;