I was getting close to the summit, but there were several boulders in my way, and trying to get over them almost did me in. Sometimes there were loose rocks all over the place, too.
山の頂上に近づいたら大きな岩がゴロゴロあって、そこを乗り越えるのに一苦労だったよ。時々グラグラしている岩もあったしね。