いっぱい一杯ippai
1.

The quantity of a substance sufficient to fill a single container, often referring to drinks, especially alcoholic beverages, emphasizing fullness or completeness.

2.

A state of being filled to capacity, whether it’s a physical container or a metaphorical reference to emotions or experiences, suggesting abundance or maximum utilization.

3.

A colloquial term indicating an action taken to its fullest extent, such as indulging in a drink or engaging in activities that express complete desire or intent.

Example:

コップ1杯の水をください。

せいいっぱい精一杯seiippaiせいseiいっぱいippai
1.

The act of putting forth maximum effort or utilizing all available strength and resources to achieve a goal.

2.

A commitment to do everything possible, often applied in contexts where one strives to ensure the best outcome or to exceed expectations.

3.

The state of giving one's all in a particular situation, often characterized by determination and perseverance despite challenges.

Example:

その速さで精一杯ですか。

ちからchikaraいっぱいippaiちからいっぱい力一杯chikaraippai
1.

Using all available physical strength or effort to accomplish something.

2.

Putting forth the maximum possible energy into an action or task.

3.

Exerting oneself to the fullest extent in pursuit of a goal or objective.

Example:

彼は力いっぱい引っ張ったが、岩はびくともしなかった。

ていっぱい手一杯teippaiteいっぱいippai
1.

Describing a situation where someone is fully occupied or overwhelmed by a specific task, leaving no capacity to take on additional responsibilities or tasks.

2.

Indicating that a person is operating at their maximum capability, unable to extend themselves further in any direction.

3.

Reflecting a state of being where all available resources or attention are dedicated to one issue, preventing engagement in anything else.

Example:

彼は砂を手いっぱいにすくいあげた。

めいっぱい目一杯meippai
1.

An expression describing the act of doing something to the fullest extent allowed, often pushing to the maximum limit of what is permissible or possible.

2.

A term indicating that something has reached its highest possible level or degree, emphasizing maximum effort or intensity in an action or state.

3.

A phrase reflecting the condition of being at full capacity, whether in terms of energy, effort, or resources, suggesting no room for increase or addition.