堪える

1. Origins, structure, and basic meaning

• Structure: 堪える is read たえる here and means to withstand or bear a burden or difficulty.
• Basic usage: Use it for shoes enduring a long mountain trail or a bridge bearing a load.

2. Common pitfalls and similar expressions

• What is borne
  • In the example 重い荷物に堪えられるか, に marks the burden to be borne.
• Whether something is possible
  • 堪えられる is a potential form meaning can withstand in this example.
  • The following か frames the question of whether it can do so.
• The act of checking
  • The example's 調べた expresses the act of having checked.