第187句：

All too often, it is the lack of action that ultimately holds people back from attaining their ideals.
缺少行動往往是阻礙人們實現理想的根本原因。

六級詞匯講解:
本句在結構上屬于it is+被強調部分+that...的強調句。
all too ofen意為“時常”。如：
Kids make the mistake like this all too often.
孩子們往往會犯像這樣的錯誤。
ultimately意為“最終，根本上”。如：
Truth will ultimately prevail.
真理終究會勝利。
hold back意為“阻礙，抑制”。如：
The heart-broken girl couldn't hold back her tears.
傷心欲絕的女孩忍不住掉下了眼淚。
attain意為“實現，達到”。如：
He failed to attain his hope.
他的希望落空了。

六級考點歸納：
hold是六級中常出現的動詞，與其相關的短語還有：
hold at bay意為“不使……迫近；牽制”。如：
He fought bravely，holding his enemies at bay.
他英勇戰斗，阻止了敵人向前推進。

hold down意為“壓住，限制；壓制”。如：
The government has done something to hold down food prices.
政府已經采取措施控制食品價格上漲。
They tried every means to hold down the workers on strike.
他們采取一切手段鎮壓罷工工人。

hold forth意為“長篇大論地講”。如：
I've never seen anyone who could hold forth so long.
我從沒見過這種說話沒完沒了的人。

hold on意為“等一等；抓緊不放；堅持”。如：
Hold on for a minute，I've just got to put on my make-up.
等一會兒，我得化一下妝。
If he had just held on a little longer, we could have helped him.
如果他能再堅持一會兒，我們就能幫他一把了。

hold one's breath意為“屏住氣”。如：
We held our breath in excitement.
戒們激動地屏息凝神。

hold one's ground意為“堅守陣地；堅持立場”。如：
Albert tried to hold his ground in that field.
艾伯特力圖在那個領域站穩腳跟。