第187句：

All too often, it is the lack of action that ultimately holds people back from attaining their ideals.
缺少行动往往是阻碍人们实现理想的根本原因。

六级词汇讲解:
本句在结构上属于it is+被强调部分+that...的强调句。
all too ofen意为“时常”。如：
Kids make the mistake like this all too often.
孩子们往往会犯像这样的错误。
ultimately意为“最终，根本上”。如：
Truth will ultimately prevail.
真理终究会胜利。
hold back意为“阻碍，抑制”。如：
The heart-broken girl couldn't hold back her tears.
伤心欲绝的女孩忍不住掉下了眼泪。
attain意为“实现，达到”。如：
He failed to attain his hope.
他的希望落空了。

六级考点归纳：
hold是六级中常出现的动词，与其相关的短语还有：
hold at bay意为“不使……迫近；牵制”。如：
He fought bravely，holding his enemies at bay.
他英勇战斗，阻止了敌人向前推进。

hold down意为“压住，限制；压制”。如：
The government has done something to hold down food prices.
政府已经采取措施控制食品价格上涨。
They tried every means to hold down the workers on strike.
他们采取一切手段镇压罢工工人。

hold forth意为“长篇大论地讲”。如：
I've never seen anyone who could hold forth so long.
我从没见过这种说话没完没了的人。

hold on意为“等一等；抓紧不放；坚持”。如：
Hold on for a minute，I've just got to put on my make-up.
等一会儿，我得化一下妆。
If he had just held on a little longer, we could have helped him.
如果他能再坚持一会儿，我们就能帮他一把了。

hold one's breath意为“屏住气”。如：
We held our breath in excitement.
戒们激动地屏息凝神。

hold one's ground意为“坚守阵地；坚持立场”。如：
Albert tried to hold his ground in that field.
艾伯特力图在那个领域站稳脚跟。